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Finding the Fourth Proportional to 492,116.94, 737,912.97 and 254,871.18

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Solution

The fourth proportional to 492,116.94, 737,912.97 and 254,871.18 is: 382,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,116.94 : 737,912.97 = 254,871.18 : x
  2. Step 2: Convert to fraction form
    492,116.94/737,912.97 = 254,871.18/x
  3. Step 3: Cross multiply
    492,116.94x = 737,912.97 × 254,871.18
  4. Step 4: Simplify right side
    492,116.94x = 188,072,749,401.21
  5. Step 5: Solve for x
    x = 188,072,749,401.21/492,116.94
  6. Step 6: Final answer
    x = 382,170.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.